Sm3271ad Mptool ✓

Before clicking Start , always save the original firmware dump (using a different tool like ChipGenius first). And remember: Never unplug the drive during the “Download ISP” or “Write CID” phase—that is a guaranteed brick.

Identifying the true capacity of a drive and reflashing it to reflect its actual storage size. Reviving "Dead" USBs: Sm3271ad Mptool